Phase-retrieval techniques in fringe-projection profilometry

C. Quan; Wen Chen; C. J. Tay

doi:10.1016/j.optlaseng.2009.06.013

Phase-retrieval techniques in fringe-projection profilometry

C. Quan, Wen Chen, C. J. Tay

Research output: Journal article publication › Journal article › Academic research › peer-review

80 Citations (Scopus)

Abstract

This paper discusses several phase-retrieval techniques commonly used in fringe-projection profilometry (FPP). The FPP has become a suitable and powerful method for the measurement of object surface shape, and some algorithms have been proposed to extract phase maps, such as Fourier transform profilometry (FTP). In this paper, FTP, phase-shifting and continuous wavelet transform (CWT) are briefly described and discussed. In addition, two-dimensional short-time Fourier transform (STFT) is also presented to extract wrapped phase maps. Simulations and experimental results are presented to show the performance of these phase-retrieval techniques in FPP.

Original language	English
Pages (from-to)	235-243
Number of pages	9
Journal	Optics and Lasers in Engineering
Volume	48
Issue number	2
DOIs	https://doi.org/10.1016/j.optlaseng.2009.06.013
Publication status	Published - 1 Feb 2010
Externally published	Yes

Keywords

Fringe-projection profilometry (FPP)
Object shape measurement
Phase retrieval

ASJC Scopus subject areas

Electronic, Optical and Magnetic Materials
Atomic and Molecular Physics, and Optics
Mechanical Engineering
Electrical and Electronic Engineering

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10.1016/j.optlaseng.2009.06.013

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AB - This paper discusses several phase-retrieval techniques commonly used in fringe-projection profilometry (FPP). The FPP has become a suitable and powerful method for the measurement of object surface shape, and some algorithms have been proposed to extract phase maps, such as Fourier transform profilometry (FTP). In this paper, FTP, phase-shifting and continuous wavelet transform (CWT) are briefly described and discussed. In addition, two-dimensional short-time Fourier transform (STFT) is also presented to extract wrapped phase maps. Simulations and experimental results are presented to show the performance of these phase-retrieval techniques in FPP.

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Phase-retrieval techniques in fringe-projection profilometry

Abstract

Keywords

ASJC Scopus subject areas

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